[Xorp-users] RIP configuration is unable to learn routes.

[Ben Greear]

On 04/07/2010 03:42 AM, naresh raga wrote:
> Hello friends,
> I am trying to connect 2 computers as shown below:PC1 has one NIC(eth0)
> and PC2 has 2 NICs(eth2 and eth3).Both systems had xorp installed and
> rip configured.
>
> PC1(eth0)---------------------(eth2)PC2(eth3)
>
> eth0 :10.64.25.208/16
> eth2:10.64.25.77/16
> eth3:172.20.0.90/16
>
> Xorp on PC1 is able to learn the subnet of PC2(eth3) and it is
> displaying them on xorpsh command:
>  >show route table ipv4 unicast rip
> 172.20.0.0/16 [rip(120)/1]
>  > to 10.64.25.77 via eth0/eth0.
> Similarly Xorp on PC2 is able to learn the subnet of 10.64.0.0 and it is
> displaying:
>  >show route table ipv4 unicast rip
> 10.64.0.0/16 [rip(120)/1]
>  >to 10.64.25.208 via eth2/eth2
>
>
> But when eth0 is configured to any other subnet (say 11.11.0.0/16) other
> than 10.64.0.0/16,then PC1 is not displaying any routes .It is unable to
> learn the subnets of PC2 even when PC2 is sending RIPv2
> responses.Similarly PC2 is not learning any route even when PC1(eth0) is
> sending RIPv2 response about its connected subnets.

I don't know too much about RIP, but wouldn't it be invalid to expect
two PCs connected by a LAN to talk to each other if they are on
different subnets?

Thanks,
Ben

-- 
Ben Greear <greearb at candelatech.com>
Candela Technologies Inc  http://www.candelatech.com